1N4728A View Datasheet(PDF) -

NXP Semiconductors

1N4728A to 1N4749A

Voltage regulator diodes

6. Thermal characteristics

Table 6.

Symbol

Rth(j-t)

Thermal characteristics

Parameter

thermal resistance from

junction to tie-point

Conditions

lead length 4 mm

Min Typ Max Unit

-

-

110 K/W

103

Rth(j-t)

(K/W)

102

10

1

10−1

δ=1

0.75

0.50

0.33

0.20

0.10

0.05

0.02

0.01

0

1

10

006aab843

102

103

104 tp (ms) 105

Fig 1. Thermal resistance from junction to tie-point as a function of pulse duration;

lead length 4 mm

7. Characteristics

Table 7. Characteristics

Tj = 25 °C unless otherwise specified.

Symbol Parameter

VF

forward voltage

Conditions

IF = 200 mA

Min Typ Max Unit

-

-

1.2 V

1N4728A_SER_2

Product data sheet

Rev. 02 — 30 October 2009

© NXP B.V. 2009. All rights reserved.

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